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Note 7 - Federal Home Loan Bank Advances (Details) - Maturities of Currently Outstanding FHLB Advances
Mar. 31, 2016
USD ($)
Maturities of Currently Outstanding FHLB Advances [Abstract]  
2016 $ 3,000,000
2017 45,000,000
2018 0
2019 10,000,000
2020 10,000,000
Thereafter $ 30,000,000